TR 173 over Steer Crk
GoodMacoupin County, Illinois · 3.5 MI W Hettick · Structure no. 059329400000000
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 50
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 173 over Steer Crk is a steel continuous stringer/multi-beam or girder carrying TR 173 over Steer Crk in Macoupin County, Illinois. It was built in 1984, so it is 41 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 145 ft (44.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 173 over Steer Crk built?
It was built in 1984, making it 41 years old in 2025.
What condition is TR 173 over Steer Crk in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does TR 173 over Steer Crk carry?
About 50 vehicles per day (2021 count).
How long is TR 173 over Steer Crk?
The structure is 145 ft (44.2 m) long with a longest span of 51 ft (15.6 m) and a deck 30 ft wide.
Who owns TR 173 over Steer Crk?
It is owned by the Town or Township Highway Agency.